an apparent murder-suicides. turns out the suspect, warren davis, provided an alias. police a few moments ago gave his real name, paul warren partis, and he had lived in baltimore. >> with more than 30,000 employees, johns hopkins medicine is among the state's largest employers, certainly the largest in baltimore. not all, but many of those employees were evacuated in middle of the mayhem. jennifer franciotti has been covering the scene all day and has more on that part of the story. >> this it was really unbelievable situation, not just for employees told to evacuate, but for patients coming here for appointments and for family members of loved ones inside the hospital. >> i was in my work area and my boss told me to stay put because there is a guy running around with a gun.